| article html file updated | 8 February 2020 06:28 CET | Update | https://www.mdpi.com/2072-6651/9/6/175 |
| article html file updated | 24 September 2019 23:05 CEST | Update | - |
| article html file updated | 3 May 2019 20:52 CEST | Update | - |
| article html file updated | 28 June 2017 14:58 CEST | Update | - |
| article html file updated | 26 May 2017 14:13 CEST | Update | - |
| article xml uploaded. | 26 May 2017 14:12 CEST | Update | https://www.mdpi.com/2072-6651/9/6/175/xml |
| article pdf uploaded. | 26 May 2017 14:12 CEST | Updated version of record | https://www.mdpi.com/2072-6651/9/6/175/pdf |
| article html file updated | 23 May 2017 15:15 CEST | Original file | - |
| article pdf uploaded. | 23 May 2017 15:14 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/6/175/pdf-vor |
